* make sure the message type is set and unset correctly
* Update dummy data in readme
* remove debug message from main thread callbacks
* removed unused import
* cleanup code in muster addon
* simplified 'get_publish_instance_label' function
* even better json file handling
Co-authored-by: Roy Nieterau <roy_nieterau@hotmail.com>
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Co-authored-by: Roy Nieterau <roy_nieterau@hotmail.com>